Cultivator



(No Model.) 7

J. SHANK. OULTIVATOR.

No. 411,906. Patented Oct. 1, 1889.

UNITED STATES PATENT FFICE.

JAMES SHANK, OF CLAY'lON,-ILLINOIS.

CU LTlVATO R.

SPECIFICATION forming part of Letters Patent No. 411,906, dated October 1, 1889.

Application filed March 27, 1839- Serial-1N0. 305,008- (No model.)

To aZZ whom it may concern: and at the rear ends thereof, so that the up Be it known that 1, JAMES SHANK, a citizen per projection of the cross-head b may abut of the United States, residing at Clayton, in against the rear longitudinal edge of the the county of Adams and State of Illinois, plate B. A yoke or clip D is placed so to have invented certain new and useful Imstraddle the rear ends of the beams B from provements in Cultivators; and I do declare beneath upwardly, and the upper branches the following to be a full, clear, and exactde are threaded and passed through apertures f scription of the invention,such as will enable in a transverse plate 0, where they are seothers skilled in the art to which it appercured by nuts 0 or other suitable fastening 1o tains to make and use the same. devices. It will be observed that these yokes 6o This invention has relation to cultivators, or clips D straddle the rear ends of the beams and more particularly to that class of culti- B, and also the plates or cross-bars, to which vators shown and described in my Letters they are secured by means of the plates 0, Patent granted April 10, 1888, No. 380,948; the cross-heads of the said beams abutting i 5 and the improvements will be fully under against the yoke on one branch and against stood from the following description and the rear edge of the plates or bars at the claims, when taken in connection with the other branch of the cross-head. By means annexed drawings, in whichof these couplings the beams may be readily Figure 1 is a plan view of, a portion of a removed and replaced by others, and the 20 cultivator embodying my improvements, and parts are adapted to serve with any thick- Fig. 2 is a side elevation of one section of a mess of coupling. cultivator removed from the truck, showing In the present illustration I have omitted the manner of securing the beams to the the teeth from the bar, and also the handles, cross plate or bar. Fig. 3 is an enlarged view as it is obvious that handles and teeth of dif- 2 5' of the same, and Fig. dis an enlarged view of ferent forms may be employed. one of the beams. By having the yokes and plates arranged Referring by letter to the said drawings,A obliquely with respect to the bars it will be indicates a portion of a cultivator adapted seen that the ends of the beams may be conto be attached to any ordinary or approved veniently straddled by the yoke an d all liao truck. bility of-slipping prevented. 7 So The beams B may be of a form substan- Having described my invention, what I tially as shown, having their rear ends curved claim isoutwardly and thence rearwardly,where they In a cultivator, the combination, with the terminate in a cross-head b. The forward beams formed as shown and having their rear 35 ends of these beams are brought parallel, as ends provided with vertically-disposed crossshown, and provided with an aperture 0, heads I), of the toothed bars or plates arwhereby they may be attached by a bolt or ranged above the beams and in engagement otherwise to the forward aperture in the with the forward edge of the upper branch of coupling of a cultivator-truck, an elongated the cross-head, the lower branch of said head 40 slot (Z being provided in rear of the aperture being in engagement with the outer side of c to receive a coupling-pin. the yoke, the yokes straddling the beam and B indicates a toothed bar or plate, which plates from below upwardly, and the plates is provided with apertures e for the attachand nuts for securing the yokes in position, ment of teeth or auxiliary beams. These substantially as specified. 5 toothed bars are arranged transversely on In testimonywhereofl affix my signature in 5 the be ins B, and are secured in position by presence of two witnesses.

means of clips. JAMES SHANK.

The plates or cross-bars B, which are de- Witnesses: signed to receive the teeth or auxiliary beams, JONATHAN LAKE, 50 are placed on the upper side of the beams B CHARLES BELL. 

